<template>
  <div>
    <!-- 面包屑导航区域 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!--    卡边视图区域-->
    <el-card>
      <!--      搜索添加区域-->
      <el-row :gutter="20">
        <el-col :span="8">
          <el-input placeholder="请输入内容" v-model="queryInfo.query" @clear="getGoodsList" clearable>
            <el-button slot="append" icon="el-icon-search" @click="getGoodsList"></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="addGoodsPage">添加商品</el-button>
        </el-col>
      </el-row>
      <!--      表格区域-->
      <el-table :data="goodslist" border stripe style="width: 100%">
        <el-table-column type="index"></el-table-column>
        <el-table-column prop="goods_name" label="商品名称"></el-table-column>
        <el-table-column prop="goods_price" label="商品价格" width="95"></el-table-column>
        <el-table-column prop="goods_weight" label="商品重量" width="75"></el-table-column>
        <el-table-column prop="add_time" label="创建时间" width="140">
          <template slot-scope="scope">
            {{ scope.row.add_time | dateFormat }}
          </template>
        </el-table-column>
        <el-table-column label="操作" width="130">
          <template slot-scope="scope">
            <!--            修改-->
            <el-tooltip effect="dark" content="修改" placement="top" :enterable="false">
              <el-button type="primary" icon="el-icon-edit" size="mini" round></el-button>
            </el-tooltip>
            <!--            删除-->
            <el-tooltip effect="dark" content="删除" placement="top" :enterable="false">
              <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeById(scope.row.goods_id)"
                         round></el-button>
            </el-tooltip>
          </template>
        </el-table-column>
      </el-table>
      <!--      分页区域-->
      <el-pagination @size-change="handleSizeChange" @current-change="handleCurrentChange"
                     :current-page="queryInfo.pagenum"
                     :page-sizes="[2, 6, 8, 10]"
                     :page-size="queryInfo.pagesize"
                     layout="total, sizes, prev, pager, next, jumper"
                     :total="total">
      </el-pagination>
    </el-card>
  </div>
</template>

<script>
export default {
  name: 'List',
  data () {
    return {
      // 查询参数
      queryInfo: {
        query: '',
        pagenum: 1,
        pagesize: 10
      },
      // 商品列表
      goodslist: [],
      // 总数据条数
      total: 0
    }
  },
  created () {
    this.getGoodsList()
  },
  methods: {
    // 获取商品列表
    async getGoodsList () {
      const { data: res } = await this.$http.get('goods', { params: this.queryInfo })
      if (res.meta.status !== 200) return this.$message.error('获取商品列表失败!')
      this.$message.success('获取商品列表成功!')
      this.goodslist = res.data.goods
      this.total = res.data.total
      console.log(res.data)
    },
    // 当前数据显示条数
    handleSizeChange (newSize) {
      this.queryInfo.pagesize = newSize
      this.getGoodsList()
    },
    // 页码变化
    handleCurrentChange (newPage) {
      this.queryInfo.pagenum = newPage
      this.getGoodsList()
    },
    // 删除监听事件
    async removeById (id) {
      const confirmResult = await this.$confirm('此操作将永久删除该商品, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).catch(err => err)
      if (confirmResult !== 'confirm') {
        return this.$message.info('已取消删除')
      }
      const { data: res } = await this.$http.delete(`goods/${id}`)
      // 判断如果删除失败，就做提示
      if (res.meta.status !== 200) return this.$message.error('删除用户失败')
      // 修改成功的提示
      this.$message.success('删除用户成功')
      // 重新请求最新的数据
      await this.getGoodsList()
    },
    // 添加商品事件
    addGoodsPage () {
      this.$router.push('goods/add')
    }
  }
}
</script>

<style Lang="less" scoped>

</style>
